Malicious PDF — malware analysis report

Static analysis result for SHA-256 063677a3c265f1d5…

MALICIOUS

PDF

24.6 KB Created: 2021-06-11 04:01:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: afba790ffc43bf7e185940e6277f9001 SHA-1: 9c742e8e5542277770564b1b10301551bae17a0c SHA-256: 063677a3c265f1d57221d3bbfd422f864bbe133e830de9c6175534a967426e36
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to external websites, many of which are structured as SEO-optimized links for game-related cheats and free items. The document body and extracted URLs suggest a lure for users seeking 'free Robux' or game hacks, likely leading to phishing or malware download sites. The ML classifier strongly indicates malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://netcdn.tw/app/431946152/free-robux-no-survey-2021-game-hack
    • http://e-pustaka.stkipadzkia.ac.id/repository/roblox-robux_GM431946152.pdf
    • http://e-pustaka.stkipadzkia.ac.id/repository/good-roblox-games-about-cities-for-free_GM431946152.pdf
    • http://e-pustaka.stkipadzkia.ac.id/repository/free-coins-coin-master-blog_GM406889139.pdf
    • http://e-pustaka.stkipadzkia.ac.id/repository/how-to-hack-coin-master-using-es-filer_GM406889139.pdf
    • http://e-pustaka.stkipadzkia.ac.id/repository/robux-no-human-verification-2021_GM431946152.pdf
    • http://e-pustaka.stkipadzkia.ac.id/repository/roblox-noob-army-t-shirt-free_GM431946152.pdf
    • http://e-pustaka.stkipadzkia.ac.id/repository/hack-coin-master-apk-32-download_GM406889139.pdf
    • http://e-pustaka.stkipadzkia.ac.id/repository/roblox-games-with-free-vip-servers_GM431946152.pdf
    • http://e-pustaka.stkipadzkia.ac.id/repository/free-spins-on-coin-master-hack_GM406889139.pdf
    • http://e-pustaka.stkipadzkia.ac.id/repository/websites-for-robux_GM431946152.pdf
    • http://e-pustaka.stkipadzkia.ac.id/repository/how-to-get-followers-on-tiktok-for-free_GM835599320.pdf
    • http://e-pustaka.stkipadzkia.ac.id/repository/free-robux-rewards_GM431946152.pdf
    • http://e-pustaka.stkipadzkia.ac.id/repository/free-minecraft-bedrock_GM479516143.pdf
    • http://e-pustaka.stkipadzkia.ac.id/repository/archery-master-3d-unlimited-coins-hack_GM406889139.pdf
    • http://e-pustaka.stkipadzkia.ac.id/repository/best-free-minecraft-texture-packs_GM479516143.pdf
    • http://e-pustaka.stkipadzkia.ac.id/repository/roblox-fun-com-free-robux_GM431946152.pdf
    • http://e-pustaka.stkipadzkia.ac.id/repository/how-to-get-free-roebucks_GM431946152.pdf
    • http://e-pustaka.stkipadzkia.ac.id/repository/free-robux-codes-2021_GM431946152.pdf
    • http://e-pustaka.stkipadzkia.ac.id/repository/roblox-jailbreak-hack_GM431946152.pdf
    • http://e-pustaka.stkipadzkia.ac.id/repository/freerobux-hack-us_GM431946152.pdf

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